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Battle Of The Bulge - GM Making 8.0-L Engine To Take On Ford's Massive 7.3-L V8

GM is firing back at Ford's recently announced 7.3-L V8 engine with a massive 8.0-L engine of their own.

Chevrolet Unveils the 2019 Silverado 4500HD, 5500HD and 6500HD at NTEA The Work Truck Show

Hot off the heels of Ford’s announcement of a 7.3-L gasoline engine, GM is now rumored to be working on an even larger 8.0-L gas engine.

And it might be even bigger than that.

Earlier this month, Ford revealed their refreshed line of Super Duty medium pickup trucks. These trucks would have the option of a new, huge 7.3-L V8 as their power sources, making it the largest gasoline engine in its class.

Even though Ford declined to produce any numbers for their new V8, we were all very impressed at the 7.3-L displacement. Not one to be left out, GM is now circulating rumors that they too are working on a huge engine, and it’s even bigger than Ford’s.

According to sources speaking to GM Authority, the new engine would be “well over” 8.0-L. That’s a big engine.

Currently, GM’s biggest gas engine is the 6.6-L V8 L8T found inside the 2020 Sierra HD. Those anonymous sources quoted GM execs saying that’s the biggest engine just “for the time being,” implying that the bigger engine is definitely on its way.

RELATED: FORD SUPER DUTY'S MASSIVE 7.3-L ENGINE COULD FIT INSIDE RAPTOR, MUSTANG GT500

But while Ford’s 7.3-L engine will be in their F-450, F-550, and F-650 pickups, GM’s 8.0-L would only be found in Class 7 trucks, which GM doesn’t currently make. Class 7s are a step above the largest GM truck available, which is the Chevy Silverado 6500HD, and just a step below a true semi-trailer truck.

Chevrolet Unveils the 2019 Silverado 4500HD, 5500HD and 6500HD at NTEA The Work Truck Show
via Chevrolet

The Silverado 6500HD is currently powered by a 6.6-L Duramax diesel engine with 350 hp and 700 lb-ft of torque. The rumored 8.0-L engine would have more power than that, but we’re not told just by how much.

We are told that GM would collaborate with Navistar, the company that currently builds the Chevy Express and GMC Savana commercial vans. They also helped co-develop the Chevrolet Silverado 4500, 5500, and 6500HD medium-duty pickups.

And that’s it. We’ll be sure to report if Ram comes out with a ludicrous 9.0-L V8 that powers a small battleship in the future.

(Source: Motor1)

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